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A hydrosphere comprises of mass of water found on, under, and over the surface of a planet.The total mass of the Earth’s hydrosphere is about 1.4 × 1018 tonnes, which is about 0.023% of the Earth’s total mass.The hydrosphere has a key role in the development and sustenance of life. It is thought that the earliest living organisms probably emerged in a watery soup.The strangest case for water is that each human life begins in the watery environment of its mother’s womb, our cells and tissues are mostly water, and most of the chemical reactions that are part of
10 MCQs on Hydrosphere
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